EFFECT OF LOW- LEVEL HE-NE LASER IRRADIATION ON HEALING OF SURGICALLY TRANSECTED OF ACHILLES TENDON IN STREPTOZOTOCIN-INDUCED DIABETIC RATS BY A BIOMECHANICAL EVALUATING METHOD

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ALIDOUST M.; BAYAT M.; NOROZIAN M.; FADAEI F.; SHARIFIAN Z.; REZAEI F.

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Journal: Anatomical Sciences Journal Year:2011 | Volume:9 | Issue:35 Page(s): 96-110

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Title

EFFECT OF LOW- LEVEL HE-NE LASER IRRADIATION ON HEALING OF SURGICALLY TRANSECTED OF ACHILLES TENDON IN STREPTOZOTOCIN-INDUCED DIABETIC RATS BY A BIOMECHANICAL EVALUATING METHOD

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Keywords

LOW-LEVEL LASER THERAPYQ2

ACHILLES TENDONQ2

TYPE 1 DIABETESQ3

TENDON HEALING PROCESSQ2

TENSIOMETERYQ2

Abstract

Purpose: The aim of the present study was to evaluate the effect of low-level He-Ne laser irradiation on ACHILLES TENDON healing in streptozotocin (STZ) induced diabetic rats by a biomechanical evaluating method.Materials and Methods: 33 male adult rats were used for tensiometerical examination. Rats were divided into healthy and diabetic groups. Diabetes was induced by STZ injection. Right ACHILLES TENDONs of all rats were completely transected one month after STZ injection. For tensiometerical examination 18 healthy rats and 15 diabetic rats divided into two experimental groups and one control group. Two experimental groups of healthy rats were irradiated by a 7.2 mW Helium-Neon laser with 2.9 and 11.5 J/cm2 energy densities for 10 days. Two groups of diabetic rats were irradiated by the He-Ne laser with 2.9 and 4.3 J/cm2 energy densities for 10 days. The animals of both healthy and diabetic control groups were not submitted to laser irradiation. Distal portion of the muscular part of triceps surae muscle, ACHILLES TENDON and calcaneus were surgically extracted from rats after killing them by chloroform. Final weight and blood glucose of the rats were recorded. Data were analyzed by student t test.Results: 9 rats died during study. Maximum stress (N/mm2) of healthy experimental groups with 2.9 J/cm2 and 11.5 J/cm2 were 4.7±1.1 and 6.1±5.2 respectively and control group was 2.4±1.6. P values were 0.018 and 0.137 respectively. Maximum stress (N/mm2) of diabetic experimental groups with 2.9 J/cm2 and 4.3 J/cm2 were 2.7±0.5 and 2.1±0.8 respectively and control group was 1.3±0.9. P values were 0.019 and 0.23 respectively.Conclusion: Low-level laser irradiation with 2.9 J/cm2 energy density on transected ACHILLES TENDON of healthy and diabetic rats significantly accelerated strength and maximum stress of repairing tendon which was defined with tensiometrical examination.

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APA: Copy

ALIDOUST, M., BAYAT, M., NOROZIAN, M., FADAEI, F., SHARIFIAN, Z., & REZAEI, F.. (2011). EFFECT OF LOW- LEVEL HE-NE LASER IRRADIATION ON HEALING OF SURGICALLY TRANSECTED OF ACHILLES TENDON IN STREPTOZOTOCIN-INDUCED DIABETIC RATS BY A BIOMECHANICAL EVALUATING METHOD. JOURNAL OF IRANIAN ANATOMICAL SCIENCES, 9(35), 96-110. SID. https://sid.ir/paper/81494/en

Vancouver: Copy

ALIDOUST M., BAYAT M., NOROZIAN M., FADAEI F., SHARIFIAN Z., REZAEI F.. EFFECT OF LOW- LEVEL HE-NE LASER IRRADIATION ON HEALING OF SURGICALLY TRANSECTED OF ACHILLES TENDON IN STREPTOZOTOCIN-INDUCED DIABETIC RATS BY A BIOMECHANICAL EVALUATING METHOD. JOURNAL OF IRANIAN ANATOMICAL SCIENCES[Internet]. 2011;9(35):96-110. Available from: https://sid.ir/paper/81494/en

IEEE: Copy

M. ALIDOUST, M. BAYAT, M. NOROZIAN, F. FADAEI, Z. SHARIFIAN, and F. REZAEI, “EFFECT OF LOW- LEVEL HE-NE LASER IRRADIATION ON HEALING OF SURGICALLY TRANSECTED OF ACHILLES TENDON IN STREPTOZOTOCIN-INDUCED DIABETIC RATS BY A BIOMECHANICAL EVALUATING METHOD,” JOURNAL OF IRANIAN ANATOMICAL SCIENCES, vol. 9, no. 35, pp. 96–110, 2011, [Online]. Available: https://sid.ir/paper/81494/en

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